How to Use "demented" with Example Sentences

1. They are not demented , only thirsty .
2. With a bunch of demented mountain hicks ?
3. More likely though , demented office politics represent an external manifestation of various midlife crises .
4. Who knows if the damage is permanent , or if I am demented now .
5. The witnesses to jesus christ who wrote the new testament gospels and letters are not gullible or deceitful or demented .